OLD THREAD DAC End by Andrea Ciuffoli

[quanghao]

And Iv board

 

[quanghao]

Salas shunt

 

[quanghao]

and more

 

[Ekkeri]

Looking good! What's the size of your bottom plate?

 

[quanghao]

Looking good! What's the size of your bottom plate?

one PC of DAC size: 9.5 x 12.5 cm
All PCb size: 19 x 25 cm

and chassic size: 43 x 32 cm!

 

[apelizzo]

Good job, looking for assembling mine.

Quanghao, the AD1865 external I/V is done with 2.2K parallel only? I can't see the Caddok 200R on the board.

 

[quanghao]

Good job, looking for assembling mine.

Quanghao, the AD1865 external I/V is done with 2.2K parallel only? I can't see the Caddok 200R on the board.

Caddok 200R:
I do not find the small resistor. should find a very large resistance ( 20W)! I put it at the bottom of printed circuit boards! tomorrow I will send you to see pictures!

 

[mikel_ann]

Hi Quanghao,

my boards arrived today in top condition. Sent on 01/29 arrived 02/04 what is
incredibele fast. Really great job.

Thanks a lot to all who helps to realize this project.

Michael

 

[erwincantona]

Hi Quanghao,

my boards arrived today in top condition. Sent on 01/29 arrived 02/04 what is
incredibele fast. Really great job.

Thanks a lot to all who helps to realize this project.

Michael

my board hasn't arrived.... still waiting for it

 

[adamus]

boards have arrived in the uk.

thanks


adam.

 

[sugden]

Hi quanghao,
1.do i need to use the L1 and L2 on DAC-end PCB board, is it 120uH inductor?
2.what is the actual value for c26 and c27, is 10nF or 2.2nF?
3.which schematic should we follow to build DAC-end?
Thanks

 

[quanghao]

Hi quanghao,
1.do i need to use the L1 and L2 on DAC-end PCB board, is it 120uH inductor?
2.what is the actual value for c26 and c27, is 10nF or 2.2nF?
3.which schematic should we follow to build DAC-end?
Thanks

Hi Sugden ! Im sorry!
When DAc out put wiht tranformer do not use L1, L 2= 120uH and C26, C27= 0.01uF. that is filter
Im sorry,!
thank you!

 

[sugden]

Hi quanghao, it nothing to sorry. We all here are to learn from mistake. Appreciate if you can confirm all information we need to build this DAC. Especially which schematic we should use and value of the component, all must correct.
Best regard,Thanks.

 

[dvb projekt]

All PCB´s arrived today! Cool work quanghao!

Best,
Oliver

 

[Yunick]

PCB's arrived in Sweden in great shape.

Thanks alot Quanghao

 

[Ekkeri]

Got mine in Finland also, thanks!

Now I just need "some" parts..

 

[feket663]

Where can I buy a real, working CS8414? I bought 4 pieces from chinese seller, 1 was ok, 3 don't work. Please recommend me a reliable seller, who ships worldwide!

 

[rtd]

Got board today, thanks for this quick GB.
One observation on DAC PCB: There is no GND groundplane
Maybe it is not needed with DAC such AD1865
Anyway it matches Andrea Ciuffoli DAC prototype

 

[Cobra2]

Arrived here too!

Arne K

 

[tassosk]

Where can I buy a real, working CS8414? I bought 4 pieces from chinese seller, 1 was ok, 3 don't work. Please recommend me a reliable seller, who ships worldwide!

From where did you buy, in order to avoid him?
I bought from tube_buyer but did not recieve them yet to tell.